<!--start navbar-->
<nav class="navbar navbar-expand-lg fixed-top bg-transparent">
    <div class="container">
        <a class="navbar-brand" href="/index.html">
            <img src="assets/img/logo-white.png" alt="logo" class="img-fluid" />
        </a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="ti-menu"></span>
        </button>
        <div class="collapse navbar-collapse h-auto" id="navbarSupportedContent">
            <ul class="navbar-nav ml-auto menu">
                <li><a href="index.html">主 页</a></li>
                <li><a href="team.html">团 队 成 员</a></li>
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                <li><a href="contact-us.html">联 系 我 们</a></li>
            </ul>
        </div>
    </div>
</nav>